A 19-year-old man has been arrested by police investigating a fire at a house in Carlisle.
Emergency services were called to the house in Henderson Road in the city shortly before midnight on Saturday.
An 18-year-old woman suffered the effects of minor smoke inhalation. No one else was hurt, but the property was damaged by smoke.
Cumbria Police said the man, from Carlisle, was arrested on suspicion of arson and was in custody.